7. Adding New Brushes
| Hoofdstuk 7. Painting with GIMP |

## 7. Adding New Brushes

To add a new brush, after either creating or downloading it, you need to save it in a format GIMP can use. The brush file needs to be placed in the GIMP's brush search path, so that GIMP is able to index and display it in the Brushes dialog. You can hit the Refresh button, which reindexes the brush directory. GIMP uses three file formats for brushes:

GBR

  The `.gbr` ("gimp brush") format is used for ordinary and color brushes. You can convert many other types of images, including many brushes used by other programs, into GIMP brushes by opening them in GIMP and saving them with file names ending in `.gbr`. This brings up a dialog box in which you can set the default Spacing for the brush. A more complete description of the GBR file format can be found in the file `gbr.txt` in the `devel-docs` directory of the GIMP source distribution.

  Figuur 7.17. Save a `.gbr` brush

GIH

  The `.gih` ("gimp image hose") format is used for animated brushes. These brushes are constructed from images containing multiple layers: each layer may contain multiple brush-shapes, arranged in a grid. When you save an image as a `.gih` file, a dialog comes up that allows you to describe the format of the brush. Look at The GIH dialog box for more information about the dialog. The GIH format is rather complicated: a complete description can be found in the file `gih.txt` in the `devel-docs` directory of the GIMP source distribution.

VBR

  The `.vbr` format is used for parametric brushes, i. e., brushes created using the Brush Editor. There is really no other meaningful way of obtaining files in this format.

To make a brush available, place it in one of the folders in GIMP's brush search path. By default, the brush search path includes two folders, the system `brushes` folder, which you should not use or alter, and the `brushes` folder inside your personal GIMP directory. You can add new folders to the brush search path using the Brush Folders page of the Preferences dialog. Any GBR, GIH, or VBR file included in a folder in the brush search path will show up in the Brushes dialog the next time you start GIMP, or as soon as you press the Refresh button in the Brushes dialog.

| Opmerking
When you create a new parametric brush using the Brush Editor, it is automatically saved in your personal `brushes` folder.

There are a number of web sites with downloadable collections of GIMP brushes. Rather than supplying a list of links that will soon be out of date, the best advice is to do a search with your favorite search engine for “GIMP brushes”. There are also many collections of brushes for other programs with painting functionality. Some can be converted easily into GIMP brushes, some require special conversion utilities, and some cannot be converted at all. Most fancy procedural brush types fall into the last category. If you need to know, look around on the web, and if you don't find anything, look for an expert to ask.

6. Penselen |  | 8. The GIH Dialog Box